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3 days ago · A circle viewed from a side angle looks like an ellipse: that is, the ellipse is the image of a circle under parallel or perspective projection. The ellipse is also the simplest Lissajous figure formed when the horizontal and vertical motions are sinusoids with the same frequency: a similar effect leads to elliptical polarization of light in optics .
2 days ago · In the diagram above, each circle is in contact two other circles and at least one side of the rectangle. The radii are perpendicular to the sides of the rectangle as shown. Find the area of the shaded portion in \(\text{cm}^2\) to the nearest whole number. All dimensions are in cm. Use \( \pi \approx 3.14159 \).
4 days ago · Lupus. Discoid lupus is an autoimmune disease that can cause a rash that can look somewhat circular (discoid). The rash is thick, raised, and scaly. Sometimes, it’s also itchy. Lupus often starts with a butterfly-shaped rash on the face before coin-shaped rashes appear. The rash is usually on the face, ears, and scalp.
5 days ago · The sketch will respect the coordinate system defined by the Mate connector. Above, the circles and squares and the centroid are inferred Mate connectors visible upon mouse-over. Once a Mate connector is selected, click the Mate connector icon in the dialog field (outlined in blue below) to open a dialog with which to edit the Mate connector:
2 days ago · Sustainability is a social goal for people to co-exist on Earth over a long time. Definitions of this term are disputed and have varied with literature, context, and time. [2] [1] Sustainability usually has three dimensions (or pillars): environmental, economic, and social. [1]
5 days ago · A circadian rhythm ( / sərˈkeɪdiən / ), or circadian cycle, is a natural oscillation that repeats roughly every 24 hours. Circadian rhythms can refer to any process that originates within an organism (i.e., endogenous) and responds to the environment (is entrained by the environment). Circadian rhythms are regulated by a circadian clock ...
5 days ago · In this example, we've defined the CIRCLE\_AREA macro to calculate the area of a circle. We pass the radius of the circle as an argument to the macro, and it returns the calculated area. When we run this code, it will print out "The area of the circle is: 78.539887".
